From 8962a4d29bcb3d12164c02d207c8ff1ab8b04558 Mon Sep 17 00:00:00 2001 From: Hannes Reinecke Date: Mon, 22 Aug 2016 10:54:10 +0200 Subject: target/tcm_fc: Update debugging statements to match libfc usage Update the debug statements to match those from libfc. Signed-off-by: Hannes Reinecke Signed-off-by: Nicholas Bellinger --- drivers/target/tcm_fc/tfc_sess.c | 37 ++++++++++++++++++++++++++----------- 1 file changed, 26 insertions(+), 11 deletions(-) diff --git a/drivers/target/tcm_fc/tfc_sess.c b/drivers/target/tcm_fc/tfc_sess.c index cc8c2614397b..fd5c3de79470 100644 --- a/drivers/target/tcm_fc/tfc_sess.c +++ b/drivers/target/tcm_fc/tfc_sess.c @@ -39,6 +39,11 @@ #include "tcm_fc.h" +#define TFC_SESS_DBG(lport, fmt, args...) \ + pr_debug("host%u: rport %6.6x: " fmt, \ + (lport)->host->host_no, \ + (lport)->port_id, ##args ) + static void ft_sess_delete_all(struct ft_tport *); /* @@ -167,24 +172,29 @@ static struct ft_sess *ft_sess_get(struct fc_lport *lport, u32 port_id) struct ft_tport *tport; struct hlist_head *head; struct ft_sess *sess; + char *reason = "no session created"; rcu_read_lock(); tport = rcu_dereference(lport->prov[FC_TYPE_FCP]); - if (!tport) + if (!tport) { + reason = "not an FCP port"; goto out; + } head = &tport->hash[ft_sess_hash(port_id)]; hlist_for_each_entry_rcu(sess, head, hash) { if (sess->port_id == port_id) { kref_get(&sess->kref); rcu_read_unlock(); - pr_debug("port_id %x found %p\n", port_id, sess); + TFC_SESS_DBG(lport, "port_id %x found %p\n", + port_id, sess); return sess; } } out: rcu_read_unlock(); - pr_debug("port_id %x not found\n", port_id); + TFC_SESS_DBG(lport, "port_id %x not found, %s\n", + port_id, reason); return NULL; } @@ -195,7 +205,7 @@ static int ft_sess_alloc_cb(struct se_portal_group *se_tpg, struct ft_tport *tport = sess->tport; struct hlist_head *head = &tport->hash[ft_sess_hash(sess->port_id)]; - pr_debug("port_id %x sess %p\n", sess->port_id, sess); + TFC_SESS_DBG(tport->lport, "port_id %x sess %p\n", sess->port_id, sess); hlist_add_head_rcu(&sess->hash, head); tport->sess_count++; @@ -320,7 +330,7 @@ void ft_sess_close(struct se_session *se_sess) mutex_unlock(&ft_lport_lock); return; } - pr_debug("port_id %x\n", port_id); + TFC_SESS_DBG(sess->tport->lport, "port_id %x close session\n", port_id); ft_sess_unhash(sess); mutex_unlock(&ft_lport_lock); ft_close_sess(sess); @@ -380,8 +390,13 @@ static int ft_prli_locked(struct fc_rport_priv *rdata, u32 spp_len, if (!(fcp_parm & FCP_SPPF_INIT_FCN)) return FC_SPP_RESP_CONF; sess = ft_sess_create(tport, rdata->ids.port_id, rdata); - if (!sess) - return FC_SPP_RESP_RES; + if (IS_ERR(sess)) { + if (PTR_ERR(sess) == -EACCES) { + spp->spp_flags &= ~FC_SPP_EST_IMG_PAIR; + return FC_SPP_RESP_CONF; + } else + return FC_SPP_RESP_RES; + } if (!sess->params) rdata->prli_count++; sess->params = fcp_parm; @@ -424,8 +439,8 @@ static int ft_prli(struct fc_rport_priv *rdata, u32 spp_len, mutex_lock(&ft_lport_lock); ret = ft_prli_locked(rdata, spp_len, rspp, spp); mutex_unlock(&ft_lport_lock); - pr_debug("port_id %x flags %x ret %x\n", - rdata->ids.port_id, rspp ? rspp->spp_flags : 0, ret); + TFC_SESS_DBG(rdata->local_port, "port_id %x flags %x ret %x\n", + rdata->ids.port_id, rspp ? rspp->spp_flags : 0, ret); return ret; } @@ -478,11 +493,11 @@ static void ft_recv(struct fc_lport *lport, struct fc_frame *fp) struct ft_sess *sess; u32 sid = fc_frame_sid(fp); - pr_debug("sid %x\n", sid); + TFC_SESS_DBG(lport, "recv sid %x\n", sid); sess = ft_sess_get(lport, sid); if (!sess) { - pr_debug("sid %x sess lookup failed\n", sid); + TFC_SESS_DBG(lport, "sid %x sess lookup failed\n", sid); /* TBD XXX - if FCP_CMND, send PRLO */ fc_frame_free(fp); return; -- cgit v1.2.3